Mutinying soldiers in Mali have arrested embattled President Ibrahim Boubacar Keita and Prime Minister Boubou Cisse, a dramatic escalation in the country’s months-long political crisis. “I forcefully condemn the arrest of President Ibrahim Boubacar Keita, Prime Minister and other members of the Malian government, and call for their immediate release,” the chairman of the AU Commission, Moussa Faki Mahamat, said …